Who invested in Whisper Aero

2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & Space

Raised 2 months ago

Funding summaryUpdated 26 Oct 2026

$47Mraised across 2 rounds since 2025, from 2 sources

$500KGrant$46MVenture

Latest round: Venture, $46MSept 2026
Step-upi: 92.6×
Investors: 4

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

$500KGrant$46MVenture

First round: Grant, $500K
Biggest round: $46M
Between rounds: 17 months

The rounds

Sept 2026
Venture$46M4 returning
Source recordedSEC filing: $46M sold
Apr 2025
Grant$500K4 new
Source recorded

Founders and team

From Whisper Aero's own website: 1 founder, 1 on the team.

Mark MooreCo-Founder, CEO

Devon JedamskiChief Engineer

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Grant2025Venture2026

Everyone who backed them

Menlo VenturesVC firm2rounds

Lux CapitalVC firm2rounds

Abstract VenturesVC firm2rounds

Karman VenturesVC firm2rounds

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Whisper Aero as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.